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ST Unveils World’s First 4-Ball WLCSP EEPROM with Multiple I2C Addresses


STMicroelectronics announces the expansion of its M24 serial EEPROM family with four new devices that are fully compatible with the industry-standard 4-ball WLCSP (Wafer Level Chip Scale Package) footprint.

The new additions is claimed to connect two or more 4-pin EEPROMs to the same I2C bus with an individual I2C address hard-wired internally allowing dedicated devices for specific purposes, such as front/rear camera modules, on the same bus.

The new devices meet customers’ needs for multiple sourcing by offering the same pitch, die orientation, and pin assignment as competitive products while allowing a choice of I2C slave addresses. The new M24 serial EEPROMs maintain the unrivalled high-performance features of the existing devices, such as 4million erase/write cycles and 200 years data retention.

According to independent market analysts HIS reported that ST has been the world’s number one EEPROM supplier for the past ten years, with a market share consistently above 25%. The M24 family, like all ST’s EEPROM products, benefit from the Company’s rigorous ‘automotive-grade’ approach in terms of robustness, quality, and product longevity.

Availability and Pricing

Samples of the 32- and 64-Kbit M24C32-FCU6TP/TF, M24C32M-FCU6T/TF, M24C64-FCU6TP/TF and M24C64M-FCU6T/TF are available at prices from $0.14 in quantities of 1,000 units.


BiS Team

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